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Open vs. Closed Circulatory System

Open vs. Closed Circulatory System. Advanced Biology 11 Ms. Lowrie. Open Circulatory System. Have heart May have some blood vessels Not always connected Blood carrying oxygen/ nutrients pumped into body cavities Surrounds cells. Open Circulatory System. Examples: Snails

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Open vs. Closed Circulatory System

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  1. Open vs. Closed Circulatory System Advanced Biology 11 Ms. Lowrie

  2. Open Circulatory System • Have heart • May have some blood vessels • Not always connected • Blood carrying oxygen/nutrients pumped into body cavities • Surrounds cells

  3. Open Circulatory System • Examples: • Snails • Grasshoppers • Lobsters • Insects

  4. Closed Circulatory System • Have blood vessels • Blood always in heart or vessels • Larger vessels branch into smaller vessels • Blood supplied to all body tissues

  5. Closed Circulatory System • Examples: • Earthworms • Fish • Humans • Monkeys

  6. Let’s Correct! • #1-3 , 5 pg 243

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